The antonyms for the word "am service of" could include phrases like "am against," "am opposed to," or "am not in favor of." These phrases indicate a lack of support for something, as opposed to being in service of it. Other antonyms could include words like "ignore," "neglect," or "disregard," which imply a lack of attention or concern for something. Ultimately, antonyms for "am service of" may vary depending on the context and specific situation in which the phrase is used.